Heat Transfer: Conduction, Convection, and Radiation

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Transcript of Heat Transfer: Conduction, Convection, and Radiation

Heat Transfer: Conduction, Convection, and RadiationHeat Transfer Types: * Conduction* Convection*RadiationWhy??1. Why do you think the popsicle melts?2. Can you see the transfer of heating?3. Is there any others examples of heat transfer you can think of in life?Describe how heat is transferred through conduction, convection and radiation.

ObjectiveWhen you hold a popsicle, you are transferring heat from your body to the popsicle. Real- Life: "I BET YOU DIDNT KNOW??"The transfer of heat (Thermal energy) from one object to the next through direct contact.

Heat travels through the objects starting from where the heat touches.

Examples: popsicle melting in your hand and pot on the stove, ConductionYour LifeHow does conduction help you in real life?The transfer of heat through the movement of a liquid or a gas.The particles in a liquid or a gas becomes more dense as you heat it. ConvectionYour LifeWhat are some more examples of convection in real life?The transfer of heat through empty space in electromagnetic (EM) waves.No direct contact

Examples: heating lamp, microwave, The SunRadiationYour LifeWhat are someexamples of radiation in your life?Closing Question??How do you think life would be different if heat did not transfer as easy?